.head {
    width: 100%;
    height: 60px;
    background-color: #fff;
}

.head-c {
    width: 1440px;
    height: 100%;
    /* background-color: aqua; */
    margin: 0 auto;
}

.head-c .logo {
    width: 22px;
    height: 29px;
    float: left;
    margin-top: 15.5px;
    margin-left: 40px;
}

.head-c .nav {
    float: right;
}

.head-c .nav-item {
    float: left;
    font-size: 16px;
    line-height: 60px;
    color: #161616;
    margin: 0 39px;
}

.head-c .nav-item .line {
    display: block;
    width: 40px;
    height: 2px;
    background-color: #161616;
    margin: -13px auto 0;
    opacity: 0;
}

.head-c .nav-item:hover .line {
    opacity: 1;
}

.head-c .nav-item.active .line {
    opacity: 1;
}

.banner {
    position: relative;
    width: 100%;
    height: 800px;
    background: url(../img/banner2.png) no-repeat center;
    background-size: cover;
}

.banner .dot {
    position: absolute;
    left: 50%;
    bottom: 40px;
    margin-left: -120px;

}

.banner .dot span {
    float: left;
    width: 20px;
    height: 20px;
    background-color: #D9D9D9;
    margin: 0 30px;
    border-radius: 50%;
    cursor: pointer;
}

.banner .dot span:hover {
    background-color: #535353;
}


/* 中间展示区 */
.show {
    width: 100%;
    height: 1204px;
}

.show-c {
    width: 1440px;
    height: 1204px;
    /* background-color: pink; */
    margin: 0 auto;
}

.show-c .col-nav {
    /* width: 1440px;
    height: 270px; */
    /* background-color: powderblue; */
    /* margin-top: 60px; */
    overflow: hidden;
    padding: 60px 0 150px;
}

.show-c .col-item {
    position: relative;
    float: left;
    width: 464px;
    height: 270px;
    margin-right: 24px;
    background-color: #FBF1EC
}

.show-c .col-item .info {
    position: absolute;
    top: 82px;
    left: 36px;
    /* height: 60px; */
    /* margin-top: 82px;
    margin-left: 36px; */
    /* background-color:cadetblue; */
}

.show-c .col-item .info .title {
    font-size: 22px;
    line-height: 30px;
    color: #161616;
    letter-spacing: -0.53px;
    font-weight: bold;
}

.show-c .col-item .info .desc {
    display: block;
    line-height: 18px;
    color: #373737;
    font-size: 13px;
    letter-spacing: -0.31px;
    margin-top: 20px;
    /* background-color:red; */
}

/* 中间导航栏 */
.show-nav {
    height: 33px;
    /* background-color: red; */
    /* margin-bottom: 724px; */
    width: fit-content;
    height: 33px;
    margin: 0 auto;
}

.show-nav-item {
    float: left;
    font-size: 18px;
    height: 25px;
    letter-spacing: -0.43px;
    line-height: 25px;
    color: #161616;
    margin: 0 40px;
}

.show-nav-item .line {
    display: block;
    width: 30px;
    height: 2px;
    background-color: #161616;
    margin: 6px auto 0;
    opacity: 0;
}

.show-nav-item:hover .line {
    opacity: 1;
}

.show-nav-item.active .line {
    opacity: 1;
}

.p-list {
    height: 587px;
    width: 100%;
    /* background-color: rgb(104, 21, 21); */
}

.p-item {
    float: left;
    width: 315px;
    height: 420px;
    margin-right: 60px;
    padding-top: 52px;
}

.p-item .text {
    overflow: hidden;
    margin-top: 15px;
    text-align: center;
}

.p-item .text .t1 {
    float: left;
    font-size: 20px;
    line-height: 28px;
    color: #161616;
    font-weight: bold;
}

.p-item .text .t2 {
    float: right;
    font-size: 16px;
    line-height: 28px;
    color: #161616;
    /* font-weight: bold; */
}

.p-item .desc {
    /* overflow: hidden; */
    margin-top: 4px;
    font-size: 16px;
    color: #929292;
    line-height: 22px;
}

/* 关于我们区域 */
.about {
    width: 100%;
    height: 360px;
    background: url(../img/about.png) no-repeat center;
    background-size: cover;
}

.about-c {
    position: relative;
    width: 1440px;
    height: 100%;
    /* border-color: aqua; */
    margin: 0 auto;
}

.about .info {
    position: absolute;
    margin-top: 74px;
    margin-right: 339px;

}

.about .info .title {
    font-size: 24px;
    line-height: 33px;
    letter-spacing: -0.58px;
    color: #161616;

}

.about .info .desc {
    font-size: 14px;
    color: #505050;
    line-height: 20px;
    letter-spacing: -0.34px;
    margin-top: 20px;
}

.about .info .more {
    display: block;
    width: 120px;
    height: 40px;
    background-color: #161616;
    margin-top: 40px;
    font-size: 14px;
    line-height: 40px;
    color: #FFFFFF;
    letter-spacing: -0.34px;
    text-align: center;
}

/* 主题活动区域 */
.topic {
    width: 100%;
    height: 450px;
    background-color: #fff;
    /* margin-top: 150px; */
    padding: 150px 0 174px;

}

.topic-c {
    width: 1440px;
    height: 100%;
    background-color: #fff;
    margin: 0 auto;
}

.topic-list {
    height: 450px;
    overflow: hidden;
}

.topic-item {
    position: relative;
    float: left;
    width: 450px;
    height: 450px;
    /* background-color: coral; */
    margin-right: 45px;
   
}

.topic-item .mask {
    position: absolute;
    bottom: 90px;
    left: 0;
    width: 450px;
    height: 100px;
    background-color: rgba(255, 255, 2555, .8);
    /* opacity: 0; */
    overflow: hidden;
}

/* .topic-item:hover .mask {
    opacity: 1;
} */

.topic-item .mask .title {
    font-size: 24px;
    line-height: 33px;
    color: #4B5751;
    text-align: center;
    margin: 23px auto 1px;

}

.topic-item .mask .desc {
    font-size: 14px;
    line-height: 20px;
    color: #777777;
    letter-spacing: -0.34px;
    text-align: center;
}

.join {
    height: 300px;
    width: 100%;
    background-color: #FBF1EC;
    
}

.join-c {
    height: 100%;
    width: 1440px;
    /* background-color: pink; */
    margin: 0 auto;
    text-align: center;
    padding-top: 0.1px;
}

.join .title {
    font-size: 35px;
    color: #161616;
    letter-spacing: -0.84px;
    line-height: 49px;
    margin-top: -25px;
    font-weight: bold;
}

.join input {
    border: none;
    outline: none;
    width: 750px;
    height: 26px;
    line-height: 26px;
    border-bottom: 2px solid #d5d5d5;
    background-color: #FBF1EC;
    color: #9e9e9e;
    font-size: 14px;
    text-align: center;
    margin-top: 40px;
}

.join .send {
    display: block;
    width: 120px;
    height: 40px;
    background-color: #161616;
    margin: 39px auto 30px;
    font-size: 14px;
    line-height: 40px;
    color: #FFFFFF;
    letter-spacing: -0.34px;
    /* text-align: center; */
}

.join .desc {
    width: 544px;
    font-size: 14px;
    line-height: 20px;
    color: #777777;
    letter-spacing: -0.34px;
    margin: 0 auto;
}

/* 底部区域 */
.footer {
    width: 100%;
    height: 269px;
    background-color: #161616;
}

.footer-c {
    height: 100%;
    width: 1440px;
    margin: 0 auto;
    background-color: #161616;
    overflow: hidden;
}

.f-list {
    float: left;
    width: 220px;
    /* height: 100%; */
    margin-top: 70px;

}

.footer .title {
    /* height: 22px; */
    font-size: 16px;
    color: #FFFFFF;
    line-height: 22px;
    margin-bottom: 24px;
}

.footer .f-list .logo {
    /* vertical-align: middle; */
    margin-bottom: 20px;
}

.footer .f-list .logo img{
    vertical-align: middle;
}

.footer .f-list dd {
    font-size: 12px;
    color: rgba(255, 255, 255, .8);
    line-height: 17px;
    /* margin: 6px 0; */
    margin-bottom: 6px;
}
.footer .f-list .f1{
    display: inline-block;
    float: left;
    width: 20px;
    height: 20px;
    margin-right: 20px;
}
.footer .f-list .f2{
    display: inline-block;
    float: left;
    width: 20px;
    height: 20px;
    margin-right: -20px;
}